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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

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Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra
The original Neandertal remains from the Neander Valley, Germany. The original Neandertal remains from the Neander Valley, Germany.
The Power and Control Wheels of Abusive Relationships When one person in a relationship repeatedly ... The Power and Control Wheels of Abusive Relationships When one person in a relationship repeatedly ...
Apollo Belvedere (detail), Roman copy after a 4th-century BCE Greek original. Apollo Belvedere (detail), Roman copy after a 4th-century BCE Greek original.
Apoxyomenos (The Scraper), Roman copy of an original Greek bronze by Lysippus. Apoxyomenos (The Scraper), Roman copy of an original Greek bronze by Lysippus.
A well-folded letter fits easily into the envelope and is easily removed by the person who receives ... A well-folded letter fits easily into the envelope and is easily removed by the person who receives ...
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